{"id":"vidhyamitra:city-day:noida:1981-10-08:en","page_class":"VM-CD-city-day","url":"https://vidhyamitra.com/city/noida/1981-10-08","language":{"target_lang":"en","base_lang":"en","quality_tier":"canonical"},"data":{"date":"1981-10-08","date_display":"October 8, 1981 CE","panchanga":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":10,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444885.770833,"kali_year":5083,"ahargana":1856420.2708,"sun":{"sidereal_longitude":170.3811,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":282.3538,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":111.9728,"elapsed_within_tithi_degrees":3.9728},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.3538,"elapsed_within_degrees":2.3538},"yoga":{"number":7,"name":"Sukarma","sum_longitude":92.7349},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"sky":{"method":"Sūrya-Siddhāntic Bhāskara-II 4-step iteration with atan2-based śīghra + varying peripheries + lunar latitude","engine_version":"3.0 (Pūrṇa — complete SS implementation)","tradition_sources":"Āryabhaṭīya 499 CE → SS Ch.1-5 Burgess 1860 → Siddhānta-Śiromaṇi Bhāskara II 1150 → Tantrasaṅgraha Nīlakaṇṭha 1501","input":{"year":1981,"month":10,"day":8,"hour":6,"minute":30,"calendar":"gregorian"},"julian_day":2444885.770833,"ahargana":1856420.2708,"kali_year":5083,"ayanamsa_lahiri":23.5983,"grahas":{"sun":{"sidereal_longitude":171.08034199999997,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":4},"retrograde":false},"moon":{"sidereal_longitude":280.533542,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1},"retrograde":false,"latitude":-0.3475},"mars":{"sidereal_longitude":118.92204199999998,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":9,"name":"Aśleṣā","pada":4},"retrograde":false},"mercury":{"sidereal_longitude":190.63784199999998,"rashi":{"number":7,"name":"Tulā"},"nakshatra":{"number":15,"name":"Svātī","pada":2},"retrograde":true},"jupiter":{"sidereal_longitude":176.17414199999996,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":14,"name":"Citrā","pada":1},"retrograde":false},"venus":{"sidereal_longitude":215.609642,"rashi":{"number":8,"name":"Vṛścika"},"nakshatra":{"number":17,"name":"Anurādhā","pada":1},"retrograde":false},"saturn":{"sidereal_longitude":169.15704200000005,"rashi":{"number":6,"name":"Kanyā"},"nakshatra":{"number":13,"name":"Hasta","pada":3},"retrograde":false},"rahu":{"sidereal_longitude":97.9203,"rashi":{"number":4,"name":"Karka"},"nakshatra":{"number":8,"name":"Puṣya","pada":2},"retrograde":false},"ketu":{"sidereal_longitude":277.9203,"rashi":{"number":10,"name":"Makara"},"nakshatra":{"number":21,"name":"Uttara Āṣāḍhā","pada":4},"retrograde":false}},"panchang":{"method":"Sūrya Siddhānta + Bhāskara-II iterative manda + Kerala-school (Mādhava-Nīlakaṇṭha) evection + variation + annual equation","engine_version":"2.0 (Kerala-school enhanced)","accuracy_note":"Sub-degree on Moon at any Kali-Yuga date (~2-5° residual max)","tradition_chain":"Āryabhaṭa(499) → Brahmagupta(628) → Bhāskara II(1150) → Mādhava(~1400) → Parameśvara(1430) → Nīlakaṇṭha(1501) → this","input":{"year":1981,"month":10,"day":8,"hour":6,"minute":30,"second":0,"calendar":"gregorian"},"julian_day":2444885.770833,"kali_year":5083,"ahargana":1856420.2708,"sun":{"sidereal_longitude":170.3811,"rashi":6,"rashi_name":"Kanyā"},"moon":{"sidereal_longitude":282.3538,"rashi":10,"rashi_name":"Makara"},"tithi":{"number":10,"name":"Daśamī","paksha":"Śukla","full_name":"Śukla Daśamī","elongation_degrees":111.9728,"elapsed_within_tithi_degrees":3.9728},"nakshatra":{"number":22,"name":"Śravaṇa","pada":1,"moon_longitude":282.3538,"elapsed_within_degrees":2.3538},"yoga":{"number":7,"name":"Sukarma","sum_longitude":92.7349},"karana":{"half_tithi_index":18,"name":"Taitila"},"vara":{"number":6,"name":"Guruvāra (Thursday)"}},"eclipse_current":{"solar":{"type":"solar","occurs":false,"moon_latitude":-0.348,"elongation":111.973},"lunar":{"type":"lunar","occurs":false,"moon_latitude":-0.348,"opposition_distance":68.027}},"eclipse_window_40days":[]},"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"tier2":{"city":{"slug":"noida","name":"Noida, Uttar Pradesh","lat":28.5355,"lon":77.391,"tz_offset_hours":5.5,"state":"Uttar Pradesh","country":"IN","tier":"tier-1"},"sunriseLocal":"06:16","sunsetLocal":"17:58","solarNoonLocal":"12:07","dayLengthHours":11.706193171240066,"dayLengthDisplay":"11 Hours 42 Mins 22 Secs","nightLengthDisplay":"12 Hours 17 Mins 38 Secs","moonriseLocal":"14:06","moonsetLocal":"00:44","rahuKala":{"name":"Rāhu Kāla","start":"13:35","end":"15:03","startHours":13.583385559278948,"endHours":15.046659705683957,"quality":"inauspicious"},"yamaganda":{"name":"Yamaganda","start":"06:16","end":"07:44","startHours":6.267014827253907,"endHours":7.730288973658915,"quality":"inauspicious"},"gulika":{"name":"Gulika Kāla","start":"09:12","end":"10:39","startHours":9.193563120063924,"endHours":10.656837266468932,"quality":"inauspicious"},"durMuhurta":[{"name":"Dur Muhūrta","start":"09:00","end":"09:23","startHours":8.998459900543256,"endHours":9.388666339584592,"quality":"avoid"}],"varjyam":{"name":"Varjyam","start":"06:45","end":"07:04","startHours":6.7547728760555765,"endHours":7.066938027288645,"quality":"avoid"},"abhijit":{"name":"Abhijit Muhūrta","start":"11:44","end":"12:31","startHours":11.729904973832603,"endHours":12.510317851915275,"quality":"auspicious"},"brahmaMuhurta":{"name":"Brahma Muhūrta","start":"04:42","end":"05:29","startHours":4.7061890710885645,"endHours":5.486601949171236,"quality":"auspicious"},"pratahSandhya":{"name":"Prātaḥ Sandhyā","start":"05:17","end":"06:16","startHours":5.291498729650568,"endHours":6.267014827253907,"quality":"auspicious"},"vijayaMuhurta":{"name":"Vijaya Muhūrta","start":"14:04","end":"14:51","startHours":14.071143608080618,"endHours":14.85155648616329,"quality":"auspicious"},"godhuliMuhurta":{"name":"Godhūli Muhūrta","start":"17:46","end":"18:10","startHours":17.773207998493973,"endHours":18.17320799849397,"quality":"auspicious"},"sayahnaSandhya":{"name":"Sāyāhna Sandhyā","start":"17:58","end":"18:28","startHours":17.973207998493972,"endHours":18.460966047295642,"quality":"auspicious"},"amritKala":{"name":"Amṛta Kāla","start":"17:43","end":"19:28","startHours":17.723207998493972,"endHours":19.473207998493972,"quality":"auspicious"},"nishitaMuhurta":{"name":"Niśīta Muhūrta","start":"23:44","end":"00:31","startHours":23.729904973832603,"endHours":24.510317851915275,"quality":"auspicious"},"dayChoghadiyas":[{"name":"Śubha","start":"06:16","end":"07:44","startHours":6.267014827253907,"endHours":7.730288973658915,"quality":"auspicious"},{"name":"Roga","start":"07:44","end":"09:12","startHours":7.730288973658915,"endHours":9.193563120063924,"quality":"inauspicious"},{"name":"Udveg","start":"09:12","end":"10:39","startHours":9.193563120063924,"endHours":10.656837266468932,"quality":"inauspicious"},{"name":"Chala","start":"10:39","end":"12:07","startHours":10.656837266468932,"endHours":12.12011141287394,"quality":"neutral"},{"name":"Labha","start":"12:07","end":"13:35","startHours":12.12011141287394,"endHours":13.583385559278948,"quality":"auspicious"},{"name":"Amṛta","start":"13:35","end":"15:03","startHours":13.583385559278948,"endHours":15.046659705683957,"quality":"auspicious"},{"name":"Kāla","start":"15:03","end":"16:31","startHours":15.046659705683957,"endHours":16.509933852088963,"quality":"inauspicious"},{"name":"Śubha","start":"16:31","end":"17:58","startHours":16.509933852088963,"endHours":17.973207998493972,"quality":"auspicious"}],"nightChoghadiyas":[{"name":"Amṛta","start":"17:58","end":"19:31","startHours":17.973207998493972,"endHours":19.509933852088963,"quality":"auspicious"},{"name":"Kāla","start":"19:31","end":"21:03","startHours":19.509933852088963,"endHours":21.046659705683957,"quality":"inauspicious"},{"name":"Śubha","start":"21:03","end":"22:35","startHours":21.046659705683957,"endHours":22.58338555927895,"quality":"auspicious"},{"name":"Roga","start":"22:35","end":"00:07","startHours":22.58338555927895,"endHours":24.12011141287394,"quality":"inauspicious"},{"name":"Udveg","start":"00:07","end":"01:39","startHours":24.12011141287394,"endHours":25.65683726646893,"quality":"inauspicious"},{"name":"Chala","start":"01:39","end":"03:12","startHours":25.65683726646893,"endHours":27.19356312006392,"quality":"neutral"},{"name":"Labha","start":"03:12","end":"04:44","startHours":27.19356312006392,"endHours":28.730288973658915,"quality":"auspicious"},{"name":"Amṛta","start":"04:44","end":"06:16","startHours":28.730288973658915,"endHours":30.267014827253906,"quality":"auspicious"}],"horas":[{"name":"Hora 1","start":"06:16","end":"07:16","startHours":6.267014827253907,"endHours":7.267014827253907,"planetary_lord":"Jupiter"},{"name":"Hora 2","start":"07:16","end":"08:16","startHours":7.267014827253907,"endHours":8.267014827253906,"planetary_lord":"Saturn"},{"name":"Hora 3","start":"08:16","end":"09:16","startHours":8.267014827253906,"endHours":9.267014827253906,"planetary_lord":"Moon"},{"name":"Hora 4","start":"09:16","end":"10:16","startHours":9.267014827253906,"endHours":10.267014827253906,"planetary_lord":"Mercury"},{"name":"Hora 5","start":"10:16","end":"11:16","startHours":10.267014827253906,"endHours":11.267014827253906,"planetary_lord":"Venus"},{"name":"Hora 6","start":"11:16","end":"12:16","startHours":11.267014827253906,"endHours":12.267014827253906,"planetary_lord":"Sun"},{"name":"Hora 7","start":"12:16","end":"13:16","startHours":12.267014827253906,"endHours":13.267014827253906,"planetary_lord":"Mars"},{"name":"Hora 8","start":"13:16","end":"14:16","startHours":13.267014827253906,"endHours":14.267014827253906,"planetary_lord":"Jupiter"},{"name":"Hora 9","start":"14:16","end":"15:16","startHours":14.267014827253906,"endHours":15.267014827253906,"planetary_lord":"Saturn"},{"name":"Hora 10","start":"15:16","end":"16:16","startHours":15.267014827253906,"endHours":16.267014827253906,"planetary_lord":"Moon"},{"name":"Hora 11","start":"16:16","end":"17:16","startHours":16.267014827253906,"endHours":17.267014827253906,"planetary_lord":"Mercury"},{"name":"Hora 12","start":"17:16","end":"18:16","startHours":17.267014827253906,"endHours":18.267014827253906,"planetary_lord":"Venus"},{"name":"Hora 13","start":"18:16","end":"19:16","startHours":18.267014827253906,"endHours":19.267014827253906,"planetary_lord":"Sun"},{"name":"Hora 14","start":"19:16","end":"20:16","startHours":19.267014827253906,"endHours":20.267014827253906,"planetary_lord":"Mars"},{"name":"Hora 15","start":"20:16","end":"21:16","startHours":20.267014827253906,"endHours":21.267014827253906,"planetary_lord":"Jupiter"},{"name":"Hora 16","start":"21:16","end":"22:16","startHours":21.267014827253906,"endHours":22.267014827253906,"planetary_lord":"Saturn"},{"name":"Hora 17","start":"22:16","end":"23:16","startHours":22.267014827253906,"endHours":23.267014827253906,"planetary_lord":"Moon"},{"name":"Hora 18","start":"23:16","end":"00:16","startHours":23.267014827253906,"endHours":24.267014827253906,"planetary_lord":"Mercury"},{"name":"Hora 19","start":"00:16","end":"01:16","startHours":24.267014827253906,"endHours":25.267014827253906,"planetary_lord":"Venus"},{"name":"Hora 20","start":"01:16","end":"02:16","startHours":25.267014827253906,"endHours":26.267014827253906,"planetary_lord":"Sun"},{"name":"Hora 21","start":"02:16","end":"03:16","startHours":26.267014827253906,"endHours":27.267014827253906,"planetary_lord":"Mars"},{"name":"Hora 22","start":"03:16","end":"04:16","startHours":27.267014827253906,"endHours":28.267014827253906,"planetary_lord":"Jupiter"},{"name":"Hora 23","start":"04:16","end":"05:16","startHours":28.267014827253906,"endHours":29.267014827253906,"planetary_lord":"Saturn"},{"name":"Hora 24","start":"05:16","end":"06:16","startHours":29.267014827253906,"endHours":30.267014827253906,"planetary_lord":"Moon"}],"taraBala":{"favorable_nakshatras":["Mṛgaśirā","Ārdrā","Punarvasu","Puṣya","Aśleṣā","Citrā","Svātī","Viśākhā","Anurādhā","Jyeṣṭhā","Dhaniṣṭhā","Śatabhiṣaj","Pūrva Bhādrapadā","Uttara Bhādrapadā","Revatī"],"unfavorable_nakshatras":["Aśvinī","Bharaṇī","Kṛttikā","Rohiṇī","Maghā","Pūrva Phalgunī","Uttara Phalgunī","Hasta","Mūla","Pūrva Āṣāḍhā","Uttara Āṣāḍhā","Śravaṇa"],"nature":"Janma-tara if same nakshatra; favorable for 15 nakshatras"},"chandraBala":{"favorable_rashis":["Mithuna","Karka","Tulā","Vṛścika","Makara","Mīna"],"unfavorable_rashis":["Meṣa","Vṛṣabha","Siṃha","Kanyā","Dhanu","Kumbha"]},"dishaShool":"South (Dakṣiṇa)","chandraVasa":"South-East","rahuVasa":"North-West","anandadiYoga":{"name":"Mudgara","quality":"Inauspicious"},"drikRitu":"Śarad (Autumn) (Drik)","vedicRitu":"Varṣā (Monsoon)","drikAyana":"Dakṣiṇāyana","vedicAyana":"Dakṣiṇāyana","meta":{"method":"BOB-History Sūrya-Siddhānta + Vidhyamitra Tier-2 spherical localization (Drikpanchang-parity)","declination":-5.78433896442967,"eotMinutes":13.229315227563635,"ayanamsa":23.5983}},"calendars":{"vikram_samvat":2038,"vikram_samvatsara":"Bhāva","saka_samvat":1903,"saka_samvatsara":"Durmati","bengali_samvat":1388,"malayalam_era":1157,"nanakshahi_year":512,"lunar_month":"Āśvina","lunar_month_paksha_full":"Āśvina Śukla Pakṣa","solar_month":"Kanyā (Puraṭṭāsi)","ritu":"Śarad (Autumn)","display_summary":"Āśvina Śukla Daśamī · Vikram 2038 Bhāva · Śaka 1903 Durmati"},"festivals":[{"id":"vijaya-dashami","name":"Vijaya Daśamī (Dasarā / Daśaharā)","name_sanskrit":"विजय दशमी","tradition":"Pan-Hindu","associated_deity":"Rāma (Rāvaṇa-vadha) + Durgā (Mahiṣāsura-vadha)","significance":"Rāma's victory over Rāvaṇa; Durgā's victory; ārambha-divasa for śilpa-kalā.","vrata":true,"primary_observance":"Rāvaṇa-dahana; Aparājitā-pūjā; Śastra-pūjā","detection":{"tithi_number":10,"tithi_paksha":"Śukla","lunar_month":"Āśvina"},"precedence":1,"related_chart":"rama","sources":["Vālmīki Rāmāyaṇa, Yuddha-Kāṇḍa","Devī Mahātmya"]},{"id":"kanya-sankranti","name":"Kanyā Saṅkrānti (Mahālaya begins)","name_sanskrit":"कन्या सङ्क्रान्ति","tradition":"Pan-Hindu","significance":"Sun enters Virgo; Mahālaya / Pitṛ-Pakṣa solar marker.","vrata":false,"detection":{"sun_rashi":"Kanyā"},"precedence":4}],"todays_walk":{"walk":{"id":"guru-walk","name":"Bṛhaspati Walk","name_sanskrit":"गुरु यात्रा","type":"graha","description":"Wisdom transmission + BG 4.34.","step_count":8,"url":"/walk/guru-walk"},"reason":"Guruvāra (Thursday) — its presiding graha's walk."},"cosmic_resonances":[]},"validity":{"eternal":false,"location_specific":"noida"},"liturgical":{"opening":"जय श्री कृष्ण","closing":"ॐ तत् सत्","attribution":"Computed by Vidhyamitra Sūrya-Siddhānta substrate + Vidhyamitra Tier-2 layer"},"seo":{"title":"Pañchāṅga October 8, 1981 CE · Noida, Uttar Pradesh · Vidhyamitra","description":"October 8, 1981 CE for Noida, Uttar Pradesh: Śukla Daśamī, sūryodaya 06:16, sūryāsta 17:58.","schema_org_type":"Article","canonical":"https://vidhyamitra.com/city/noida/1981-10-08","hreflang_alternates":{"en":"https://vidhyamitra.com/city/noida/1981-10-08","sa":"https://sa.vidhyamitra.com/city/noida/1981-10-08","hi":"https://hi.vidhyamitra.com/city/noida/1981-10-08","x-default":"https://vidhyamitra.com/city/noida/1981-10-08"}},"provenance":[{"pillar":"BOB-History","pillar_version":"2.12.0","method":"Sūrya-Siddhānta first-principles + Bhāskara II + Kerala-school (Mādhava-Nīlakaṇṭha) corrections","retrieved_at":"2026-05-19T17:26:38.612Z","verification":{"type":"multi-marker","confidence":"canonical"}},{"pillar":"Vidhyamitra-Tier2","pillar_version":"0.1.0","method":"Spherical astronomy + Lahiri ayanamsa + standard solar declination + EoT correction","retrieved_at":"2026-05-19T17:26:38.612Z","verification":{"type":"community-validated","markers":["matches Drikpanchang ±1 minute on Narasiṁha Jayantī 2026"],"confidence":"verified"}}],"meta":{"generated_at":"2026-05-19T17:26:38.612Z","pillar_versions":{"Sūrya-Siddhānta":"Pūrṇa","Vidhyamitra-Tier2":"Pūrṇa"}}}